She read the letter through before sending it, ______ for spelling mistakes.A.checked B.to be checki

题目简介

She read the letter through before sending it, ______ for spelling mistakes.A.checked B.to be checki

题目详情

She read the letter through before sending it, ______ for spelling mistakes.
A.checked B.to be checking C.checkingD.having checked
题型:单选题难度:偏易来源:不详

答案

C
现在分词短语在此表示伴随。

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